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Disclosery

Rheos Capital Works Inc.: ARM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rheos Capital Works Inc. on ARM, newest first. How the timeline and the estimate are built.

Rheos Capital Works Inc. held 90,000 ARM shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 90,000 shares
    Change vs previous 13F -99,600 shares

    1.82% of the 13F portfolio, value $31,911,000.

    13F-HR 0001099910-26-000246 filed by Rheos Capital Works Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 189,600 shares
    Change vs previous 13F +10,000 shares

    1.91% of the 13F portfolio, value $28,683,000.

    13F-HR 0001099910-26-000174 filed by Rheos Capital Works Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 179,600 shares
    Change vs previous 13F +30,000 shares

    1.26% of the 13F portfolio, value $19,632,000.

    13F-HR 0001099910-26-000042 filed by Rheos Capital Works Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 149,600 shares
    Change vs previous 13F +19,600 shares

    1.18% of the 13F portfolio, value $21,167,000.

    13F-HR 0001099910-25-000235 filed by Rheos Capital Works Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 130,000 shares
    Change vs previous 13F +130,000 shares

    1.21% of the 13F portfolio, value $21,026,000.

    13F-HR 0001099910-25-000198 filed by Rheos Capital Works Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -244,900 shares

    13F-HR 0001099910-25-000127 filed by Rheos Capital Works Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  7. period ended2024-12-31
    13F 244,900 shares
    Change vs previous 13F +56,000 shares

    1.67% of the 13F portfolio, value $30,211,000.

    13F-HR 0001099910-25-000049 filed by Rheos Capital Works Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 188,900 shares
    Change vs previous 13F not available

    1.41% of the 13F portfolio, value $27,015,000.

    13F-HR 0001099910-24-000348 filed by Rheos Capital Works Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).